Art & Engineering
Table of Contents
  1. Why a private homepage can be useful?
  2. Modern art presented digitally.
  3. Useful techniques for everyday life.
      3.1 Special codes for mobile phones.
      3.2 Compute: leasing, depreciation, instalment, saving.
      3.3 The router in the computer network.
         3.3.1 The Design of a private 'Data Cloud'.
      3.4 Sending messages without an e-mail account.
         3.4.1 Encrypt & Decrypt of Documents.
      3.5 Digital vs. analogue photography.
  4. Global Positioning System (GPS) and world time zones.
  5. The history of the mechanical chronometer.
  6. The connection of time and calendar.
  7. Persiflage to the ideology of bicycle racing.
  8. The Bye-bye-Page.
  Imprint EU-GDPR
  Hints to the homepage !  German Version !
 3D Animation of an Art Object.  
Activate the Netcam ...

Author of this private homepage is Dr. Günter R. Langecker, E-Mail address: The private homepage contains only own photographs and texts. The unauthorized use of the texts, photographs or web-designs is prohibited! With this private homepage the author pursues no commercial interests. For links and contents of web pages from outside of this homepage, the author has no liability and dissociates himself from these, should applicable law be violated at the time of integration or later.

All brand names and trademarks mentioned in this homepage, which are protected by third parties, are subject without restriction to the regulations of the respective valid trademark law and the ownership rights of the respective registered owner. The author endeavours to respect the copyrights of the art objects displayed on the homepage. It cannot be concluded from the illustration and naming of the art objects on this homepage that the author does not accept the protection of trademarks and the rights of third parties. Last state: August 2018.